voice vs sound

voice and sound both are nouns.

Word	Noun	Adjective	Verb	Adverb
voice	Yes	No	Yes	No
sound	Yes	Yes	Yes	No

As nouns, sound is a hypernym of voice; that is, sound is a word with a broader meaning than voice:

As nouns, sound is a hypernym of voice; that is, sound is a word with a broader meaning than voice:

As verbs, voice and sound are synonyms defined as:

Other synonyms of voice include vocalise, vocalize.

voice (noun)	sound (noun)
a means or agency by which something is expressed or communicated	the particular auditory effect produced by a given cause
the distinctive quality or pitch or condition of a person's speech	the subjective sensation of hearing something
the ability to speak	the audible part of a transmitted signal
the sound made by the vibration of vocal folds modified by the resonance of the vocal tract	(phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language
expressing in coherent verbal form	the sudden occurrence of an audible event
the melody carried by a particular voice or instrument in polyphonic music	a large ocean inlet or deep bay
something suggestive of speech in being a medium of expression	a narrow channel of the sea joining two larger bodies of water
A term used in phonetics and phonology to characterize speech sounds, with sounds described as either voiceless (unvoiced) or voiced.	mechanical vibrations transmitted by an elastic medium
a sound suggestive of a vocal utterance
an advocate who represents someone else's policy or purpose
(metonymy) a singer
(linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes

voice (adjective)	sound (adjective)
	financially secure and safe
	in good condition; free from defect or damage or decay
	complete; thorough
	(of sleep) deep and complete
	in excellent physical condition
	exercising or showing good judgment
	free from moral defect
	vigorous or severe
	having legal efficacy or force
	logically valid

voice (verb)	sound (verb)
give voice to	measure the depth of (a body of water) with a sounding line
utter with vibrating vocal chords	utter with vibrating vocal chords
	make a certain noise or sound
	cause to sound
	announce by means of a sound
	give off a certain sound or sounds
	appear in a certain way